SMTPer provides you an online tool to test your SMTP host server on the fly.

SMTP host:
Use authentication
Use Secured Connection
Email from:
Email to:


SMTP host: host or ip address of your smtp server (exemple:
Port: the default port is 25, but some smtp server use a custom port (exemple: 587)
Use authentication: most of smtp servers need an authentication (login/password). Check it if required
Login: required if 'Use authentication' is checked (ex:, your_address)
Password: required if 'Use authentication' is checked
Use Secured Connection: checked it only if the smtp server need a secured connection (ssl, tsl)
Email from: the sender's email address (exemple:
Email to: very important : the test mail will be sent to this address (ex:

Useful information:

We made this tool for our personal use.
If you need to test a smtp server, please feel free to use it at your own risks.
For your information, this page does not store any information that you typed. It will just send a test mail with the parameters you have provided. No data will be stored in any form of storage on our server.

NanoGenesis team

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